Old-growth forest talk planned at Hawthorne Valley

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Where they still exist, old-growth forests seem less affected by climate change than other forests. Their biodiversity is one of the keys to their resilience. An expert eye can identify an old-growth forest by its old and dead trees. In other words, by the age of the trees and the large quantity of deadwood. For foresters, a forest can indeed be considered old if it is over 200 years old and if it has been little or not at all affected by human …